Home / 109,306.21-150,840.55-59,578.94

Finding the Fourth Proportional to 109,306.21, 150,840.55 and 59,578.94

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Solution

The fourth proportional to 109,306.21, 150,840.55 and 59,578.94 is: 82,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,306.21 : 150,840.55 = 59,578.94 : x
  2. Step 2: Convert to fraction form
    109,306.21/150,840.55 = 59,578.94/x
  3. Step 3: Cross multiply
    109,306.21x = 150,840.55 × 59,578.94
  4. Step 4: Simplify right side
    109,306.21x = 8,986,920,643.67
  5. Step 5: Solve for x
    x = 8,986,920,643.67/109,306.21
  6. Step 6: Final answer
    x = 82,217.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.